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प्रश्न
Define the term:
Gram atom
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उत्तर
The quantity of the element which weighs equal to its gram atomic mass is called one gram atom of that element.
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संबंधित प्रश्न
A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
1) Find the number of moles of hydrogen present.
2) What weight of CO2 can the cylinder hold under similar conditions of temperature and pressure? (H = 1, C = 12, O = 16)
3) If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO2 molecules in the cylinder under the same conditions of temperature and pressure.
4) State the law that helped you to arrive at the above result.
Choose the correct answer from the options given below:
The ratio between the number of molecules in 2g of hydrogen and 32g of oxygen is:
[Given that H = 1, O = 16]
One of the following elements has an atomicity of ‘one’. This element is :
The relative atomic mass of Cl atom is 35.5 a.m.u. Explain this statement.
Explain the term:
Gram mole
Complete the following calculations. Show working for complete credit :
Calculate the mass of calcium that will contain the same number of atoms as are present in 3.2 gm of Sulphur. [Atomic masses : S = 32, Ca = 40]
Calculate the number of atoms in the following:
52 moles of He
Correct the statement, if required.
The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C12.
Calculate the number of oxygen atoms in 0.10 mole of Na2CO3 . 10H2O.
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
